From: Karel Zak <kzak@redhat.com>
To: "Richard W.M. Jones" <rjones@redhat.com>
Cc: util-linux@vger.kernel.org
Subject: Re: [PATCH] wipefs: Add --force option
Date: Tue, 20 Nov 2012 14:52:46 +0100 [thread overview]
Message-ID: <20121120135246.GB2006@x2.net.home> (raw)
In-Reply-To: <20121120111634.GH20338@x2.net.home>
On Tue, Nov 20, 2012 at 12:16:34PM +0100, Karel Zak wrote:
> On Mon, Nov 19, 2012 at 03:41:16PM +0000, Richard W.M. Jones wrote:
> > This change adds the --force option which, when used, undoes the above
> > flag change. However you still have to use --force most of the time
> > when erasing something that isn't a plain unmounted filesystem.
>
> I'll improve the code. It's stupid disadvantage that --force is
> necessary for things like partitions tables. We have to use
> O_EXCL more carefully.
... it seems that this is unnecessary. It's possible to delete
partition table (open with O_EXCL) if any of the partitions is not
mounted. It seems that only mount(2) has any impact to O_EXCL.
I guess that --force is enough.
Karel
--
Karel Zak <kzak@redhat.com>
http://karelzak.blogspot.com
next prev parent reply other threads:[~2012-11-20 13:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-19 15:41 [PATCH] wipefs: Add --force option Richard W.M. Jones
2012-11-20 11:16 ` Karel Zak
2012-11-20 13:52 ` Karel Zak [this message]
2012-11-20 14:41 ` Richard W.M. Jones
2012-11-20 15:07 ` Milan Broz
2012-11-20 15:41 ` Richard W.M. Jones
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